Shouldn't the Scots-originated terminology be more prevalent in the north?(Seriously, I'm curious about Scotland/Ireland migrations going back... oh, 1600 years or so, and this seems off no matter what the time-frame.)

Shouldn't the Scots-originated terminology be more prevalent in the north?(Seriously, I'm curious about Scotland/Ireland migrations going back... oh, 1600 years or so, and this seems off no matter what the time-frame.)

It is more prevalent in the North. I've heard it many times from many different people.